Home / 518,870,574.18-716,057,453.64-283,931,136.90

Finding the Fourth Proportional to 518,870,574.18, 716,057,453.64 and 283,931,136.90

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Solution

The fourth proportional to 518,870,574.18, 716,057,453.64 and 283,931,136.90 is: 391,833,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,870,574.18 : 716,057,453.64 = 283,931,136.90 : x
  2. Step 2: Convert to fraction form
    518,870,574.18/716,057,453.64 = 283,931,136.90/x
  3. Step 3: Cross multiply
    518,870,574.18x = 716,057,453.64 × 283,931,136.90
  4. Step 4: Simplify right side
    518,870,574.18x = 203,311,006,897,724,224
  5. Step 5: Solve for x
    x = 203,311,006,897,724,224/518,870,574.18
  6. Step 6: Final answer
    x = 391,833,757.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.